David Gewirtz

In addition to hosting the ZDNet Government and ZDNet DIY-IT blogs, CBS Interactive's Distinguished Lecturer David Gewirtz is an author, U.S. policy advisor and computer scientist. He is featured in The History Channel special The President's Book of Secrets, is one of America's foremost cyber-security experts, and is a top expert on saving and creating jobs. He is also director of the U.S. Strategic Perspective Institute as well as the founder of ZATZ Publishing. David is a member of FBI InfraGard, the Cyberwarfare Advisor for the International Association for Counterterrorism & Security Professionals, a columnist for The Journal of Counterterrorism and Homeland Security, and has been a regular CNN contributor, and a guest commentator for the Nieman Watchdog of the Nieman Foundation for Journalism at Harvard University. He is the author of Where Have All the Emails Gone?, the definitive study of email in the White House, as well as How To Save Jobs and The Flexible Enterprise, the classic book that served as a foundation for today's agile business movement.

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The story of the first photograph

The story of the first photograph

If you look carefully, you can see the outbuildings, courtyard, trees, and surrounding landscape as Nicephore saw it through his window, all the way back in 1826. And the rest is history.

published November 17, 2011 by

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Soundproofing the Skype Studio

Soundproofing the Skype Studio

Fortunately, the soundproofing and sound-sculpting materials work and work quite well. The room is now virtually silent and I've been able to get excellent recording and broadcast sound quality.

published November 8, 2011 by

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